What LED light bulbs can I use for my ceiling fans?

The ceiling fan is surface-mounted and enclosed. The fixture takes a maximum of 40W, but I would like the equivalent of at least 60W of incandescent light. The fixture can only take very small B type bulbs, no more than 3.75 inches in length and 1.5 inches wide.

The ceiling fan is surface-mounted and enclosed. The fixture takes a maximum of 40W, but I would like the equivalent of at least 60W of incandescent light. The fixture can only take very small B type bulbs, no more than 3.75 inches in length and 1.5 inches wide.

I love the concept of LEDs and some of the bulbs are terrific.

With each evolution of the technology, the quality of light is getting better and the prices are becoming...